Lac du Tuyau is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 49° 3' 53'' North   (decimal: 49.0647603)
• Longitude: 69° 16' 36'' West   (decimal: -69.2767219)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac du Tuyau
• GPS Coordinate Locator Map: Lac du Tuyau Lat/Long